The most enduring forms of LTP depend on changes in the:
a. postsynaptic neuron only.
b. dendritic branching.
c. pre and postsynaptic neurons.
d. presynaptic neuron only.
Ans: c. pre and postsynaptic neurons.
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Drugs that produce fractured perceptions are called:
a. hallucinogens b. depressants c. stimulants d. opiates
Although MDMA increases the activity of several neurotransmitters in the brain, it is the ____ pathway that has received the most attention
a. ?dopamine b. ?serotonin c. ?acetylcholine d. ?GABA
Which of the following has research on learned helplessness NOT shown?
a. control over the environment is crucial for avoiding helplessness b. "inoculating" subjects against helplessness can prevent helplessness from developing c. both rats and humans easily learn to be helpless d. animals can be taught to gain control over their environments
Who uses infant-directed speech?
a) mothers b) parents c) parents, and nonparents with experience interacting with infants d) everyone